LMI-based robust admissible control for uncertain singular delta operator systems

Xin-Zhuang Dong

International Journal of Systems Science, 2015, vol. 46, issue 12, 2101-2110

Abstract: This paper investigates the problem of state feedback robust admissible control for singular delta operator systems with norm-bounded coefficient matrix uncertainties. A necessary and sufficient condition is derived to ensure the admissibility of the closed-loop singular delta operator system for all allowable uncertainties. Then, by specifying the structure of some matrix variables, the existence condition and explicit expression of a robust admissible controller are obtained in terms of strict linear matrix inequalities. Moreover, from the relation between singular discrete systems and singular delta operator systems, the corresponding results are also presented for uncertain singular discrete systems. Finally, some numerical examples are provided to demonstrate the effectiveness of the results in this paper.

Date: 2015
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DOI: 10.1080/00207721.2013.849772

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